This update contains a number of customer-reported and internally found issues since the release of SP1. See ‘KB 2582113: Description of Update Rollup 5 for Exchange Server 2010 Service Pack 1′ for more details.
We want to let you know this rollup contains the Exchange 2010 SP1 version of the change described in this KB article:
2543879 PDF attachment from a Mac Mail client is not displayed when you use Outlook 2010 to open the email message in an Exchange Server 2007 SP3 environment
Most important fixes:
2556352 "ChangeKey is required for this operation" error message in Outlook for Mac 2011 in an Exchange Server 2010 environment
2555850 You cannot delete a mailbox folder that starts with a special character in its name by using Outlook in an Exchange Server 2010 environment
2499044 You cannot save attachments in an email message by using OWA if the subject line contains special characters in an Exchange Server 2010 environment
Other Fixes:
2275156 The inline contents disposition is removed when you send a "Content-Disposition: inline" email message by using EWS in an Exchange Server 2010 environment
2509306 Journal reports are expired or lost when the Microsoft Exchange Transport service is restarted in an Exchange Server 2010 environment
2514766 A RBAC role assignee can unexpectedly run the Add-ADPermission command on an Exchange Server 2010 server that is outside the role assignment scope
2529715 Slow network or replication issues after you change the number of virus scanning API threads in Microsoft Exchange Server 2010
2536704 Mailbox users who are migrated by using ILM 2007 cannot use the Options menu in OWA in an Exchange Server 2010 environment
2537094 French translation errors occur when you edit a response to a meeting request by using OWA in an Exchange Server 2010 SP1 environment
2554604 A RBAC role assignee can unexpectedly manage certificates that are outside the role assignment scope in an Exchange Server 2010 environment
2555800 You cannot use the GetItem operation in EWS to retrieve properties of an email message in an Exchange Server 2010 environment
2556096 The columns in the .csv logging file are not lined up correctly when you perform a discovery search on a mailbox in an Exchange Server 2010 environment
2556107 The columns in the .csv logging file are not lined up correctly when you perform a discovery search on a mailbox in an Exchange Server 2010 environment
2556133 A device that uses Exchange ActiveSync cannot access mailboxes in an Exchange Server 2010 environment
2556156 Extra.exe crashes when it performs RPC activity checks against an Exchange Server 2010 server
2556407 Certain client-only message rules do not take effect on email messages that are saved as drafts in an Exchange Server 2010 environment
2559926 "There are no items to show in this view." error message when you try to view a folder by using Outlook in an Exchange Server 2010 environment
2572958 The "Test-OutlookConnectivity -Protocol HTTP" command fails with an HTTP 401 error in an Exchange Server 2010 environment
Download: Rollup 5 for Exchange 2010 SP1 Here
Important Note for Forefront users:
For those of you running Forefront Security for Exchange, be sure you perform these important steps from the command line in the Forefront directory before and after this rollup’s installation process. Without these steps, Exchange services for Information Store and Transport will not start after you apply this update. Before installing the update, disable ForeFront by using this command: fscutility /disable. After installing the update, re-enable ForeFront by running fscutility /enable.